BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DENDTW

Denver, CO (DEN) to Detroit, MI (DTW) flight delay odds

Historically, 77.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,088 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
77.2%arrived on time
14.4%30+ min late
0.5%cancelled
3,088scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.1%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+5.6 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning53490.4%4.3%0.2%
Late morning94281.7%9.9%0.2%
Afternoon61476.9%13.4%0.7%
Evening83461.0%28.5%0.7%
Night16490.9%5.5%0.6%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday46674.0%15.0%0.6%
Tuesday42479.5%13.2%0.5%
Wednesday40779.1%13.8%0.2%
Thursday45474.9%17.4%0.0%
Friday47176.4%15.1%0.8%
Saturday41981.4%10.3%0.2%
Sunday44775.6%15.7%0.7%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,25285.6%9.0%0.5%
United Airlines72779.5%13.9%0.0%
Southwest Airlines64956.1%26.2%1.1%
Frontier Airlines45980.2%13.3%0.2%
SkyWest Airlines1100.0%0.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202528768.6%19.9%1.4%
August 202528271.3%18.4%0.0%
September 202525680.5%12.5%0.0%
October 202525881.4%13.6%0.0%
November 202522887.7%4.4%1.3%
December 202524273.6%16.9%1.2%
January 202621777.4%11.1%0.0%
February 202621577.2%14.4%0.0%
March 202627878.4%14.0%0.7%
April 202625783.7%7.8%0.0%
May 202628274.1%18.1%0.4%
June 202628675.2%18.5%0.3%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline31.5%
Late aircraft53.1%
National airspace12.7%
Weather2.5%
Security0.2%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.